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authorNishanth Aravamudan <nacc@us.ibm.com>2005-10-24 17:02:37 +0400
committerJaroslav Kysela <perex@suse.cz>2005-11-04 15:19:49 +0300
commit8433a509c0eb6bb1f33ce39c82c580b8901619ee (patch)
treef1554905dee5da4e840dfd674d5b004124496a22 /sound/isa
parentd78bec210f07b06f406b877b9179e0cc281ae8e6 (diff)
downloadlinux-8433a509c0eb6bb1f33ce39c82c580b8901619ee.tar.xz
[ALSA] Fix schedule_timeout usage
Use schedule_timeout_{,un}interruptible() instead of set_current_state()/schedule_timeout() to reduce kernel size. Also use human-time conversion functions instead of hard-coded division to avoid rounding issues. Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/isa')
-rw-r--r--sound/isa/ad1848/ad1848_lib.c6
-rw-r--r--sound/isa/gus/gus_pcm.c3
-rw-r--r--sound/isa/sb/emu8000.c9
-rw-r--r--sound/isa/sb/emu8000_patch.c3
-rw-r--r--sound/isa/sb/emu8000_pcm.c3
-rw-r--r--sound/isa/sscape.c17
-rw-r--r--sound/isa/wavefront/wavefront_synth.c6
7 files changed, 12 insertions, 35 deletions
diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c
index 744b65a35c9c..891bacc94f68 100644
--- a/sound/isa/ad1848/ad1848_lib.c
+++ b/sound/isa/ad1848/ad1848_lib.c
@@ -243,8 +243,7 @@ static void snd_ad1848_mce_down(ad1848_t *chip)
snd_printk(KERN_ERR "mce_down - auto calibration time out (2)\n");
return;
}
- set_current_state(TASK_INTERRUPTIBLE);
- time = schedule_timeout(time);
+ time = schedule_timeout_interruptible(time);
spin_lock_irqsave(&chip->reg_lock, flags);
}
#if 0
@@ -257,8 +256,7 @@ static void snd_ad1848_mce_down(ad1848_t *chip)
snd_printk(KERN_ERR "mce_down - auto calibration time out (3)\n");
return;
}
- set_current_state(TASK_INTERRUPTIBLE);
- time = schedule_timeout(time);
+ time = schedule_timeout_interruptible(time);
spin_lock_irqsave(&chip->reg_lock, flags);
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
diff --git a/sound/isa/gus/gus_pcm.c b/sound/isa/gus/gus_pcm.c
index 720c0739c3a5..1cc89fb67bf2 100644
--- a/sound/isa/gus/gus_pcm.c
+++ b/sound/isa/gus/gus_pcm.c
@@ -333,8 +333,7 @@ static int snd_gf1_pcm_poke_block(snd_gus_card_t *gus, unsigned char *buf,
}
}
if (count > 0 && !in_interrupt()) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
+ schedule_timeout_interruptible(1);
if (signal_pending(current))
return -EAGAIN;
}
diff --git a/sound/isa/sb/emu8000.c b/sound/isa/sb/emu8000.c
index 95540f133199..b09c6575e01a 100644
--- a/sound/isa/sb/emu8000.c
+++ b/sound/isa/sb/emu8000.c
@@ -135,8 +135,7 @@ static void __init
snd_emu8000_read_wait(emu8000_t *emu)
{
while ((EMU8000_SMALR_READ(emu) & 0x80000000) != 0) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
+ schedule_timeout_interruptible(1);
if (signal_pending(current))
break;
}
@@ -148,8 +147,7 @@ static void __init
snd_emu8000_write_wait(emu8000_t *emu)
{
while ((EMU8000_SMALW_READ(emu) & 0x80000000) != 0) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
+ schedule_timeout_interruptible(1);
if (signal_pending(current))
break;
}
@@ -437,8 +435,7 @@ size_dram(emu8000_t *emu)
for (i = 0; i < 10000; i++) {
if ((EMU8000_SMALW_READ(emu) & 0x80000000) == 0)
break;
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
+ schedule_timeout_interruptible(1);
if (signal_pending(current))
break;
}
diff --git a/sound/isa/sb/emu8000_patch.c b/sound/isa/sb/emu8000_patch.c
index 26e693078cb3..2fea67e71c78 100644
--- a/sound/isa/sb/emu8000_patch.c
+++ b/sound/isa/sb/emu8000_patch.c
@@ -109,8 +109,7 @@ static void
snd_emu8000_write_wait(emu8000_t *emu)
{
while ((EMU8000_SMALW_READ(emu) & 0x80000000) != 0) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
+ schedule_timeout_interruptible(1);
if (signal_pending(current))
break;
}
diff --git a/sound/isa/sb/emu8000_pcm.c b/sound/isa/sb/emu8000_pcm.c
index 0209790dc4b5..b323beeeda15 100644
--- a/sound/isa/sb/emu8000_pcm.c
+++ b/sound/isa/sb/emu8000_pcm.c
@@ -117,8 +117,7 @@ snd_emu8000_write_wait(emu8000_t *emu, int can_schedule)
{
while ((EMU8000_SMALW_READ(emu) & 0x80000000) != 0) {
if (can_schedule) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
+ schedule_timeout_interruptible(1);
if (signal_pending(current))
break;
}
diff --git a/sound/isa/sscape.c b/sound/isa/sscape.c
index 1036876146c4..11588067fa4f 100644
--- a/sound/isa/sscape.c
+++ b/sound/isa/sscape.c
@@ -343,19 +343,6 @@ static void soundscape_free(snd_card_t * c)
}
/*
- * Put this process into an idle wait-state for a certain number
- * of "jiffies". The process can almost certainly be rescheduled
- * while we're waiting, and so we must NOT be holding any spinlocks
- * when we call this function. If we are then we risk DEADLOCK in
- * SMP (Ha!) or pre-emptible kernels.
- */
-static inline void sleep(long jiffs, int state)
-{
- set_current_state(state);
- schedule_timeout(jiffs);
-}
-
-/*
* Tell the SoundScape to begin a DMA tranfer using the given channel.
* All locking issues are left to the caller.
*/
@@ -392,7 +379,7 @@ static int obp_startup_ack(struct soundscape *s, unsigned timeout)
unsigned long flags;
unsigned char x;
- sleep(1, TASK_INTERRUPTIBLE);
+ schedule_timeout_interruptible(1);
spin_lock_irqsave(&s->lock, flags);
x = inb(HOST_DATA_IO(s->io_base));
@@ -419,7 +406,7 @@ static int host_startup_ack(struct soundscape *s, unsigned timeout)
unsigned long flags;
unsigned char x;
- sleep(1, TASK_INTERRUPTIBLE);
+ schedule_timeout_interruptible(1);
spin_lock_irqsave(&s->lock, flags);
x = inb(HOST_DATA_IO(s->io_base));
diff --git a/sound/isa/wavefront/wavefront_synth.c b/sound/isa/wavefront/wavefront_synth.c
index 0c3c951009d8..abd79b781412 100644
--- a/sound/isa/wavefront/wavefront_synth.c
+++ b/sound/isa/wavefront/wavefront_synth.c
@@ -275,8 +275,7 @@ static int
wavefront_sleep (int limit)
{
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(limit);
+ schedule_timeout_interruptible(limit);
return signal_pending(current);
}
@@ -1788,8 +1787,7 @@ wavefront_should_cause_interrupt (snd_wavefront_t *dev,
outb (val,port);
spin_unlock_irq(&dev->irq_lock);
while (1) {
- set_current_state(TASK_INTERRUPTIBLE);
- if ((timeout = schedule_timeout(timeout)) == 0)
+ if ((timeout = schedule_timeout_interruptible(timeout)) == 0)
return;
if (dev->irq_ok)
return;